stepped face
相关英语词汇推荐
- through
- crusher head
- alidade
- elastoplastic rock
- hand held drifter
- tunneling equipment
- Intermediate product
- tilting cup feeder
- drop crushing
- bolt installing equipments
- lump formation
- fast extraction
- worm gear drive
- full load running
- single stage separation
- internal impedance
- cement injection
- burning time
- workings
- Residual expansion rate